diff options
-rw-r--r-- | bin/ed/Makefile | 2 | ||||
-rw-r--r-- | bin/ed/buf.c | 10 | ||||
-rw-r--r-- | bin/ed/cbc.c | 2 | ||||
-rw-r--r-- | bin/ed/ed.1 | 17 | ||||
-rw-r--r-- | bin/ed/ed.h | 17 | ||||
-rw-r--r-- | bin/ed/glbl.c | 223 | ||||
-rw-r--r-- | bin/ed/io.c | 2 | ||||
-rw-r--r-- | bin/ed/main.c | 2 | ||||
-rw-r--r-- | bin/ed/re.c | 2 | ||||
-rw-r--r-- | bin/ed/sub.c | 2 | ||||
-rw-r--r-- | bin/ed/undo.c | 2 |
11 files changed, 255 insertions, 26 deletions
diff --git a/bin/ed/Makefile b/bin/ed/Makefile index a99763c..7ecca79 100644 --- a/bin/ed/Makefile +++ b/bin/ed/Makefile @@ -1,5 +1,5 @@ PROG= ed -SRCS= buf.c cbc.c glob.c io.c main.c re.c sub.c undo.c +SRCS= buf.c cbc.c glbl.c io.c main.c re.c sub.c undo.c LINKS= ${BINDIR}/ed ${BINDIR}/red MLINKS= ed.1 red.1 diff --git a/bin/ed/buf.c b/bin/ed/buf.c index 7513064..7027599 100644 --- a/bin/ed/buf.c +++ b/bin/ed/buf.c @@ -26,10 +26,11 @@ * SUCH DAMAGE. */ #ifndef lint -static char *rcsid = "@(#)$Id: buf.c,v 1.3 1993/12/14 16:19:56 alm Exp $"; +static char *rcsid = "@(#)buf.c,v 1.4 1994/02/01 00:34:35 alm Exp"; #endif /* not lint */ #include <sys/file.h> +#include <sys/stat.h> #include "ed.h" @@ -131,7 +132,7 @@ add_line_node(lp) line_t *cp; cp = get_addressed_line_node(current_addr); /* this get_addressed_line_node last! */ - insque(lp, cp); + INSQUE(lp, cp); addr_last++; current_addr++; } @@ -195,13 +196,18 @@ char sfn[15] = ""; /* scratch file name */ int open_sbuf() { + int u; + isbinary = newline_added = 0; + u = umask(077); strcpy(sfn, "/tmp/ed.XXXXXX"); if (mktemp(sfn) == NULL || (sfp = fopen(sfn, "w+")) == NULL) { fprintf(stderr, "%s: %s\n", sfn, strerror(errno)); sprintf(errmsg, "cannot open temp file"); + umask(u); return ERR; } + umask(u); return 0; } diff --git a/bin/ed/cbc.c b/bin/ed/cbc.c index 3359b2b..ee5285c 100644 --- a/bin/ed/cbc.c +++ b/bin/ed/cbc.c @@ -38,7 +38,7 @@ */ #ifndef lint -static char *rcsid = "@(#)$Id: cbc.c,v 1.3 1993/12/14 18:01:10 alm Exp $"; +static char *rcsid = "@(#)cbc.c,v 1.2 1994/02/01 00:34:36 alm Exp"; #endif /* not lint */ #include <sys/types.h> diff --git a/bin/ed/ed.1 b/bin/ed/ed.1 index 3bc77b0..27f8b36 100644 --- a/bin/ed/ed.1 +++ b/bin/ed/ed.1 @@ -1,20 +1,21 @@ .TH ED 1 "21 May 1993" .SH NAME -ed, red \- text editor +.\" ed, red \- text editor +ed \- text editor .SH SYNOPSIS ed [-] [-sx] [-p \fIstring\fR] [\fIfile\fR] -.LP -red [-] [-sx] [-p \fIstring\fR] [\fIfile\fR] +.\" .LP +.\" red [-] [-sx] [-p \fIstring\fR] [\fIfile\fR] .SH DESCRIPTION .B ed is a line-oriented text editor. It is used to create, display, modify and otherwise manipulate text files. -.B red -is a restricted -.BR ed : -it can only edit files in the current -directory and cannot execute shell commands. +.\" .B red +.\" is a restricted +.\" .BR ed : +.\" it can only edit files in the current +.\" directory and cannot execute shell commands. If invoked with a .I file diff --git a/bin/ed/ed.h b/bin/ed/ed.h index ddf86ff..dd63880 100644 --- a/bin/ed/ed.h +++ b/bin/ed/ed.h @@ -24,14 +24,15 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)$Id: ed.h,v 1.4 1993/12/15 15:22:02 alm Exp alm $ + * @(#)ed.h,v 1.5 1994/02/01 00:34:39 alm Exp */ +#include <sys/types.h> #if defined(BSD) && BSD >= 199103 || defined(__386BSD__) # include <sys/param.h> /* for MAXPATHLEN */ #endif #include <errno.h> -#ifdef sun +#if defined(sun) || defined(__NetBSD__) # include <limits.h> #endif #include <regex.h> @@ -166,17 +167,15 @@ if ((i) > (n)) { \ /* REQUE: link pred before succ */ #define REQUE(pred, succ) (pred)->q_forw = (succ), (succ)->q_back = (pred) -#ifdef NEED_INSQUE -/* insque: insert elem in circular queue after pred */ -#define insque(elem, pred) \ +/* INSQUE: insert elem in circular queue after pred */ +#define INSQUE(elem, pred) \ { \ REQUE((elem), (pred)->q_forw); \ REQUE((pred), elem); \ } -/* remque: remove_lines elem from circular queue */ -#define remque(elem) REQUE((elem)->q_back, (elem)->q_forw); -#endif /* NEED_INSQUE */ +/* REMQUE: remove_lines elem from circular queue */ +#define REMQUE(elem) REQUE((elem)->q_back, (elem)->q_forw); /* NUL_TO_NEWLINE: overwrite ASCII NULs with newlines */ #define NUL_TO_NEWLINE(s, l) translit_text(s, l, '\0', '\n') @@ -184,7 +183,7 @@ if ((i) > (n)) { \ /* NEWLINE_TO_NUL: overwrite newlines with ASCII NULs */ #define NEWLINE_TO_NUL(s, l) translit_text(s, l, '\n', '\0') -#ifndef strerror +#ifdef sun # define strerror(n) sys_errlist[n] #endif diff --git a/bin/ed/glbl.c b/bin/ed/glbl.c new file mode 100644 index 0000000..1e21d99 --- /dev/null +++ b/bin/ed/glbl.c @@ -0,0 +1,223 @@ +/* glob.c: This file contains the global command routines for the ed line + editor */ +/*- + * Copyright (c) 1993 Andrew Moore, Talke Studio. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char *rcsid = "@(#)glob.c,v 1.1 1994/02/01 00:34:40 alm Exp"; +#endif /* not lint */ + +#include <sys/ioctl.h> +#include <sys/wait.h> + +#include "ed.h" + + +/* build_active_list: add line matching a pattern to the global-active list */ +int +build_active_list(isgcmd) + int isgcmd; +{ + pattern_t *pat; + line_t *lp; + long n; + char *s; + char delimiter; + + if ((delimiter = *ibufp) == ' ' || delimiter == '\n') { + sprintf(errmsg, "invalid pattern delimiter"); + return ERR; + } else if ((pat = get_compiled_pattern()) == NULL) + return ERR; + else if (*ibufp == delimiter) + ibufp++; + clear_active_list(); + lp = get_addressed_line_node(first_addr); + for (n = first_addr; n <= second_addr; n++, lp = lp->q_forw) { + if ((s = get_sbuf_line(lp)) == NULL) + return ERR; + if (isbinary) + NUL_TO_NEWLINE(s, lp->len); + if (!regexec(pat, s, 0, NULL, 0) == isgcmd && + set_active_node(lp) < 0) + return ERR; + } + return 0; +} + + +/* exec_global: apply command list in the command buffer to the active + lines in a range; return command status */ +long +exec_global(interact, gflag) + int interact; + int gflag; +{ + static char *ocmd = NULL; + static int ocmdsz = 0; + + line_t *lp = NULL; + int status; + int n; + char *cmd = NULL; + +#ifdef BACKWARDS + if (!interact) + if (!strcmp(ibufp, "\n")) + cmd = "p\n"; /* null cmd-list == `p' */ + else if ((cmd = get_extended_line(&n, 0)) == NULL) + return ERR; +#else + if (!interact && (cmd = get_extended_line(&n, 0)) == NULL) + return ERR; +#endif + clear_undo_stack(); + while ((lp = next_active_node()) != NULL) { + if ((current_addr = get_line_node_addr(lp)) < 0) + return ERR; + if (interact) { + /* print current_addr; get a command in global syntax */ + if (display_lines(current_addr, current_addr, gflag) < 0) + return ERR; + while ((n = get_tty_line()) > 0 && + ibuf[n - 1] != '\n') + clearerr(stdin); + if (n < 0) + return ERR; + else if (n == 0) { + sprintf(errmsg, "unexpected end-of-file"); + return ERR; + } else if (n == 1 && !strcmp(ibuf, "\n")) + continue; + else if (n == 2 && !strcmp(ibuf, "&\n")) { + if (cmd == NULL) { + sprintf(errmsg, "no previous command"); + return ERR; + } else cmd = ocmd; + } else if ((cmd = get_extended_line(&n, 0)) == NULL) + return ERR; + else { + REALLOC(ocmd, ocmdsz, n + 1, ERR); + memcpy(ocmd, cmd, n + 1); + cmd = ocmd; + } + + } + ibufp = cmd; + for (; *ibufp;) + if ((status = extract_addr_range()) < 0 || + (status = exec_command()) < 0 || + status > 0 && (status = display_lines( + current_addr, current_addr, status)) < 0) + return status; + } + return 0; +} + + +line_t **active_list; /* list of lines active in a global command */ +long active_last; /* index of last active line in active_list */ +long active_size; /* size of active_list */ +long active_ptr; /* active_list index (non-decreasing) */ +long active_ndx; /* active_list index (modulo active_last) */ + +/* set_active_node: add a line node to the global-active list */ +int +set_active_node(lp) + line_t *lp; +{ + if (active_last + 1 > active_size) { + int ti = active_size; + line_t **ts; + SPL1(); +#if defined(sun) || defined(NO_REALLOC_NULL) + if (active_list != NULL) { +#endif + if ((ts = (line_t **) realloc(active_list, + (ti += MINBUFSZ) * sizeof(line_t **))) == NULL) { + fprintf(stderr, "%s\n", strerror(errno)); + sprintf(errmsg, "out of memory"); + SPL0(); + return ERR; + } +#if defined(sun) || defined(NO_REALLOC_NULL) + } else { + if ((ts = (line_t **) malloc((ti += MINBUFSZ) * + sizeof(line_t **))) == NULL) { + fprintf(stderr, "%s\n", strerror(errno)); + sprintf(errmsg, "out of memory"); + SPL0(); + return ERR; + } + } +#endif + active_size = ti; + active_list = ts; + SPL0(); + } + active_list[active_last++] = lp; + return 0; +} + + +/* unset_active_nodes: remove a range of lines from the global-active list */ +void +unset_active_nodes(np, mp) + line_t *np, *mp; +{ + line_t *lp; + long i; + + for (lp = np; lp != mp; lp = lp->q_forw) + for (i = 0; i < active_last; i++) + if (active_list[active_ndx] == lp) { + active_list[active_ndx] = NULL; + active_ndx = INC_MOD(active_ndx, active_last - 1); + break; + } else active_ndx = INC_MOD(active_ndx, active_last - 1); +} + + +/* next_active_node: return the next global-active line node */ +line_t * +next_active_node() +{ + while (active_ptr < active_last && active_list[active_ptr] == NULL) + active_ptr++; + return (active_ptr < active_last) ? active_list[active_ptr++] : NULL; +} + + +/* clear_active_list: clear the global-active list */ +void +clear_active_list() +{ + SPL1(); + active_size = active_last = active_ptr = active_ndx = 0; + free(active_list); + active_list = NULL; + SPL0(); +} diff --git a/bin/ed/io.c b/bin/ed/io.c index d0d56c1..2187cb9 100644 --- a/bin/ed/io.c +++ b/bin/ed/io.c @@ -26,7 +26,7 @@ */ #ifndef lint -static char *rcsid = "@(#)$Id: io.c,v 1.3 1993/12/14 16:19:56 alm Exp $"; +static char *rcsid = "@(#)io.c,v 1.1 1994/02/01 00:34:41 alm Exp"; #endif /* not lint */ #include "ed.h" diff --git a/bin/ed/main.c b/bin/ed/main.c index fe97001..f177b86 100644 --- a/bin/ed/main.c +++ b/bin/ed/main.c @@ -33,7 +33,7 @@ char *copyright = #endif /* not lint */ #ifndef lint -static char *rcsid = "@(#)$Id: main.c,v 1.5 1993/12/15 15:22:02 alm Exp alm $"; +static char *rcsid = "@(#)main.c,v 1.1 1994/02/01 00:34:42 alm Exp"; #endif /* not lint */ /* diff --git a/bin/ed/re.c b/bin/ed/re.c index d0d4e6c..0e04dd8 100644 --- a/bin/ed/re.c +++ b/bin/ed/re.c @@ -27,7 +27,7 @@ */ #ifndef lint -static char *rcsid = "@(#)$Id: re.c,v 1.2 1993/12/14 16:19:56 alm Exp $"; +static char *rcsid = "@(#)re.c,v 1.6 1994/02/01 00:34:43 alm Exp"; #endif /* not lint */ #include "ed.h" diff --git a/bin/ed/sub.c b/bin/ed/sub.c index 6d01650..9d46a7c 100644 --- a/bin/ed/sub.c +++ b/bin/ed/sub.c @@ -27,7 +27,7 @@ */ #ifndef lint -static char *rcsid = "@(#)$Id: sub.c,v 1.3 1993/12/15 15:22:02 alm Exp alm $"; +static char *rcsid = "@(#)sub.c,v 1.1 1994/02/01 00:34:44 alm Exp"; #endif /* not lint */ #include "ed.h" diff --git a/bin/ed/undo.c b/bin/ed/undo.c index 9dea621..a686d14 100644 --- a/bin/ed/undo.c +++ b/bin/ed/undo.c @@ -26,7 +26,7 @@ */ #ifndef lint -static char *rcsid = "@(#)$Id: undo.c,v 1.2 1993/12/14 16:19:56 alm Exp $"; +static char *rcsid = "@(#)undo.c,v 1.1 1994/02/01 00:34:44 alm Exp"; #endif /* not lint */ #include "ed.h" |